6sl7gt tube data sheet

I find it has an overemphasized top end, which i do not particularly care for in. An octal type without a g or gt was a metal type, and there were never any metal 6sn7s. Datasheet of triodes, diodes, penthodes,tetrodes, vacuum tubes. This high plate resistance which comes with a rather low transconductance probably is the reason why it lost popularity a bit when higher transconductance tubes became more fashionable. For zerobias data, generator impedance is negligible. Below is our current selection of 6sl7 audio tubes. They are excellent tubes, the only new production 6sl7s i will buy. May 26, 2016 it also operates at a lower current, typically around 2ma. Ive never seen a gt before in this tube but happened to aquire some recently. Purchase tungsol 6sl7gt vacuum tubes online, in stock and ready to ship. N8210 6sl70t 6sl7 250 watt amplifier 6su7gty 6sl7gt gas triode 6sl7gt tube. The heater is what makes the tube glow and it heats the cathode of the tube up hot enough to release electrons. These are vintage tubes mostly from the usa with a few european types.

Recent listings manufacturer directory get instant. A while back i wrote about some tube rolling i was doing, and that i found that the brimar cv1985 was one of the best 6sl7 types ive heard, and also the amazing rcage 5691 red base. For more information on 6sl7 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6sl7 in duncan amps, and 6sl7 in the tube directory. In the case of a 6sl76sc7 the first number on the tube 6 designates a 6v heater. This new production tungsol 6sl7 tube is manufactured at their xpopul factory also known as reflektor in saratov, russia. Also see data sheets for type 6sl7gt very similar electrical characteristics, different pinout. The replacement tubes i received were identical except are marked with sovtek logo as well as the original 6h9c designation. New sensor is an american corporation and since taking ownership of this factory has been steadily improving the quality of current production tubes. Like i said, i think this tube is better than any of the 6sl7s i tried. My favorite tubes and their substitutes by robert h. Golden dragon tubes are recommended and used worldwide in the hifi industry. Each triode of a 6sl7 can be compared both internally. The tube type described here is often called the 6sn7 technically, this is incorrect, since all glass american octal tubes released before about 1955 were followed by g or gt plus optionally some other descriptors. The result better mids and bottom while keeping the smooth top of the classic 6v6s.

Thanks to frank philipse for supplying the above pdf datasheet. The most accurate method to test tubes, the curve plots can actually be compared to the printed examples for each tube type that appear in the manufacturer technical data sheets and books. The 6sl7 has a plate resistance of 44kohms which is more than 6 times higher than the rp of the 6sn7. According to ludwell sibleys tube lore, the 6sn7gt was registered with the rma on march 3rd, 1941, with data from rca and sylvania. Knowing what voltage your amp applies to the plate would help. The makers name is not visible but the octagonal surround to the type designation logo is typical of rca. Tube 6sl7gt or rohre 6sl7gt id2101, double triode, octal int. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The wide glass tube envelope is 28 mm in diameter and, excluding the io. Now i have a jukebox amp that needs some fresh 6l6gs. Twin triode, 6sl7 gt datasheet, 6sl7 gt circuit, 6sl7 gt data sheet. The tungsol 6sl7gt is probably the best current production 6sl7 available.

From the official data sheet the difference can be seen when comparing it with the commercial version. Jun 24, 2012 you have to be careful to verify the data sheet specs of these other tubes to ensure that they will run in your amp. Since you often see the short name 6sl7 we also use it here. Sweeten up the preamp section of that vintage ampeg b15. Whenever i do a search for the data sheet the 6l6g would come up. Surprisingly these were the exact replacement tubes for my audio note soro. The 6sl7gt is a medium impedance double triode with high gain and superseded the 6sc7. By the way, the 6su7gty is electrically identical to the 6sl7 so there is no issue using these in any amp that uses 6sl7 tubes. Nos performance and sound at a fraction of the price. If you cant find what you need here, try duncans tube data sheet locator. For 6sn7 i highly recommend nos mullard ecc33, brown base, short bottle, but thats only if your amp can take that tube, ask almarro guys directly.

Each triode of a 6sl7 can be compared both internally balanced and to other tubes matched. Brand new in box jj tesla 6sl7 gain tested vacuum tube 6sl7gt. You can rectify the 6 volts ac and make it 6 volts dc and avoid the 60 hz hum generated by running these tubes from a 6 volt ac power source. Brimar uk made 6sl7gt are probably the best sounding 6sl7 you can find. With the advent of television the 6sn7 was well suited for use as a verticaldeflection amplifier. My favorite tubes and their substitutes positive feedback. Preamp tubes 6sl7gtvt229ecc35cv1985cv569sub for 6n9p. The golden dragon tube range is manufactured and selected for high fidelity and reality. It featured separate cathodes and was designed for use as af voltage amplifiers, phase splitters and where required as a cascade amplifier of very high gain. This tube was first produced by rca which called the 5691 one of its special red tubes due to the red colored low loss base. Currently, i am using adzam 6sl7gt 1950s vintage from philips holland. Most we have are branded either brimar or military braniding with the cv1985 part number. For complete technical data please see the data sheet.

The sage computer systems used hundreds of 5692s as flipflops. Net tube data here youll find manufacturers data sheets and curves for many popular and some not so popular electronic valve types. They seemed to work fine but i want to make sure im not overdriving them. This runs the tube at full rated plate voltage, and plots the curves at 10 different grid bias levels. More than 25 years of development have gone in to the evolution of. I test all the tubes i receive on a tube tracer and both 6sl7gt 6h9c sovtek tubes were pretty well matched. Tube testers can check out a number of important parameters. This is a tube which needs no selection for balancing. The premium qualities of the 5692 include a longlife cathode rated at 10,000 hours along with extra support rods and mica spacers to eliminate microphonics. Gec twin triode,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Brand new tungsol reissue 6sl7 gain tested vacuum tube in box. Twin triode, 6sl7gt datasheet, 6sl7gt circuit, 6sl7gt data sheet. Vacuum tube 6sl7gt, sovtek antique electronic supply.

Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. This unusual rca 6sl7gt tube has a short bottle with gray plates plates and a bottom getter. There is no pin available to ground the envelope, see under 6sl7gt. The type 5691 tube is a premium version of the type 6sl7. These 6sl7gt tubes are originalthe reflektor factory in russia where they are made, has been manufacturing this design since the 1960s. The russian 6h9c tube is equivalent to the 6sl7gt tube. Vintage 6sl7 tubes hand picked for audio applications. The preferred oem tube of 50sera fender tweed champ and deluxe amplifiers the tungsol 6v6 has a geometry designed to safely handle the higher voltages used in guitar amps plus heavier plate and grid materials. If you can affort and find, try nos tung sol 6su7, which is 100% replacement of 6sl7. Also see data sheets for type 6sl7gt very similar electrical. The 6sn7 was one of the most important components of the first programmable digital computer, the eniac, which contained several thousand.

You have to be careful to verify the data sheet specs of these other tubes to ensure that they will run in your amp. Rca was likely the developer, since it had assigned a development number of a4273b. Hallicrafters fpm300 mark ii safari transceiver faradio b. This high plate resistance which comes with a rather low transconductance probably is. New in box jj tesla 6sl7 gain matched pair 2 vacuum tubes 6sl7gt. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. It also operates at a lower current, typically around 2ma.